111103012 has 6 divisors (see below), whose sum is σ = 194430278. Its totient is φ = 55551504.

The previous prime is 111102997. The next prime is 111103033. The reversal of 111103012 is 210301111.

It can be written as a sum of positive squares in only one way, i.e., 106998336 + 4104676 = 10344^2 + 2026^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111103012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13887873 + ... + 13887880.

Almost surely, 2^111103012 is an apocalyptic number.

It is an amenable number.

111103012 is a deficient number, since it is larger than the sum of its proper divisors (83327266).

111103012 is a wasteful number, since it uses less digits than its factorization.

111103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775757 (or 27775755 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 111103012 is about 10540.5413523215. The cubic root of 111103012 is about 480.7381755458.

Adding to 111103012 its reverse (210301111), we get a palindrome (321404123).

The spelling of 111103012 in words is "one hundred eleven million, one hundred three thousand, twelve".